53045 ZIP Code — Brookfield, WI

Waukesha County, Wisconsin

ZIP code 53045 is located in Brookfield, Wisconsin, within Waukesha County. It covers approximately 14.42 square miles and serves a population of 23,292 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 262/414.

About ZIP code 53045

The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $410,400. Owner-occupancy is high at 78%, well above the national average.

The gap between median ($115,202) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 39% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.

Educational attainment is high — 62% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 53045 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

23,292

population

14.42

sq mi land

Standard

ZIP type

Central (CT)

timezone

53045 ZIP code map

Cities in ZIP code 53045

Below are the cities the US Postal Service accepts for ZIP code 53045. Using any city not on this list may result in mail delivery delays.

City	Status
Brookfield	Preferred

Nearby ZIP codes

53005 Brookfield (3 mi) 53122 Elm Grove (3.5 mi) 53186 Waukesha (3.6 mi) 53007 Butler (5.4 mi) 53072 Pewaukee (5.5 mi) 53072 Pewaukee (5.5 mi) 53226 Milwaukee (6 mi) 53222 Milwaukee (6.1 mi) 53051 Menomonee Falls (6.3 mi) 53046 Lannon (6.5 mi) 53225 Milwaukee (6.8 mi) 53227 Milwaukee (7.3 mi)

Demographics updated 05/2026

Population
Total population	23,292
Population density	1,615 / sq mi
State FIPS	55
County FIPS	133

Geography
Land area	14.42 sq mi
Water area	0.20 sq mi
Latitude	43.0608
Longitude	-88.1557
Timezone	Central (CT)
Area code	262/414

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.5%	26.7%	39.4%
$50k – $100k	22.3%	29.0%	33.0%
$100k – $200k	30.6%	32.1%	22.4%
Over $200k	21.7%	12.2%	5.2%

Demographics & statistics

23,292

Population

1,615

People per sq mi

45.8

Median age

$115,202

Median household income

$69,084

Per capita income

$410,400

Median home value

$1,717

Median monthly rent

77.5%

Home ownership

4.7%

Poverty rate

2.4%

Unemployment

7,971

Housing units

62.2%

Bachelor's or higher

Age distribution

Male Female

554

Under 5

575

591

5–9

615

805

10–14

837

905

15–19

940

601

20–24

624

791

25–34

823

1,360

35–44

1,413

1,510

45–54

1,570

732

55–59

760

696

60–64

724

1,453

65–74

1,510

885

75–84

920

538

85+

560

← Male

Female →

Age summary

Group	Count	%
Under 18	5,087	21.8%
18 and over	18,205	78.2%
65 and over	5,866	25.2%
Median age	45.8 years

Race & ethnicity

White 77.6%

Asian 12%

Two or more races 5.1%

Hispanic or Latino 3.4%

Black or African American 1.1%

Other race 0.7%

American Indian / Alaska Native 0.1%

Group	Count	%
White	18,709	77.6%
Asian	2,884	12%
Two or more races	1,234	5.1%
Hispanic or Latino	815	3.4%
Black or African American	270	1.1%
Other race	179	0.7%
American Indian / Alaska Native	16	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.5%	26.7%	39.4%
$50k – $100k	22.3%	29.0%	33.0%
$100k – $200k	30.6%	32.1%	22.4%
Over $200k	21.7%	12.2%	5.2%

Under $10k 3.0%

$10k–$15k 2.4%

$15k–$25k 2.9%

$25k–$35k 7.1%

$35k–$50k 7.9%

$50k–$75k 11.0%

$75k–$100k 11.2%

$100k–$150k 16.8%

$150k–$200k 12.6%

$200k+ 25.1%

Range	% of households
Under $10k	3.0%
$10k–$15k	2.4%
$15k–$25k	2.9%
$25k–$35k	7.1%
$35k–$50k	7.9%
$50k–$75k	11.0%
$75k–$100k	11.2%
$100k–$150k	16.8%
$150k–$200k	12.6%
$200k+	25.1%
Median income	$115,202

Housing

Home values

Under $50k 1.1%

$50k–$100k 0.5%

$100k–$150k 0.8%

$150k–$200k 2.8%

$200k–$300k 15.5%

$300k–$500k 49.6%

$500k–$1M 26.8%

$1M+ 3.0%

Housing overview

Metric	Value
Median home value	$410,400
Median rent / month	$1,717
Owner occupied	77.5%
Renter occupied	22.5%
Vacant	4.7%
Single-family detached	60.7%
Large apartment buildings	15.1%
Mobile homes	0.4%
Median rooms	6.7
Avg household size (owned)	2.61

Year built

Era	%
2020 or later	0.5%
2010–2019	7.4%
2000–2009	7.7%
1990–1999	26.0%
1980–1989	12.8%
1970–1979	18.0%
1960–1969	15.5%
1950–1959	8.2%
1940–1949	2.4%
1939 or earlier	1.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	8.0%
2 bedrooms	24.8%
3 bedrooms	25.8%
4 bedrooms	31.1%
5+ bedrooms	9.4%

Vehicles per household

Vehicles	% of households
No vehicle	3.2%
1 vehicle	32.0%
2 vehicles	42.5%
3 or more	22.4%

Heating fuel

Fuel type	%
Utility gas	78.9%
Electricity	18.9%
Propane / LP gas	0.9%
Fuel oil	0.2%
Wood	0.2%
Solar	0.1%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	5,793	59.9%
Cohabiting couple	352	3.6%
Male householder, no spouse	1,350	14.0%
Female householder, no spouse	2,175	22.5%
Households with children under 18	2,605	26.9%
Households with seniors (65+)	4,114	42.5%
Average household size	2.38

Marital status

Status	Male	Female
Never married	26.4%	20.3%
Married	62.5%	56.6%
Separated	0.7%	0.6%
Widowed	2.4%	12.7%
Divorced	7.9%	9.7%

Education

Less than 9th grade 0.5%

Some HS, no diploma 1.7%

HS graduate 14.1%

Some college, no degree 14.8%

Associate's degree 6.7%

Bachelor's degree 34.5%

Graduate / professional 27.7%

Metric	%
HS diploma or higher	97.8%
Bachelor's or higher	62.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	254	4.4%
Kindergarten	253	4.4%
Elementary school	2,266	39.4%
High school	1,612	28.0%
College / grad school	1,363	23.7%

Employment

Industry of employment

Education & healthcare 25.9%

Manufacturing 17.1%

Professional & management 13.2%

Retail trade 11.1%

Finance & real estate 10.1%

Arts, food & hospitality 7.5%

Other services 3.7%

Information 2.9%

Transportation & utilities 2.7%

Construction 2.3%

Wholesale trade 2.1%

Public administration 1.3%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	61.1%
Service	10.1%
Sales & office	19.7%
Natural resources & construction	2.6%
Production & transportation	6.5%

Employment type

Type	%
Private sector	88.5%
Government	6.7%
Self-employed	4.1%
Unpaid family workers	0.7%

Commute

Method	%
Drive alone	78.1%
Carpool	5.5%
Public transit	0.2%
Walk	0.5%
Work from home	15.3%
Other means	0.4%
Avg commute (minutes)	20.2

Poverty

All people 4.7%

Under 18 years 5.4%

18 and over 4.5%

Married-couple families 3.9%

Female-led households 14.8%

Income support

Source	% of households
Social Security	38.5%
Retirement income	27.5%
Supplemental Security	2.9%
Cash public assistance	0.7%
Food stamps / SNAP	3.3%

Health indicators

Condition	%
Obesity	27.2%
High blood pressure	30.4%
High cholesterol	35.0%
Diabetes	8.3%
Heart disease	5.8%
Stroke	2.6%
Asthma	8.1%
Arthritis	25.0%
Kidney disease	2.7%
Pulmonary disease	4.5%
Cancer	8.8%

Behavior / access	%
Smoking	9.9%
Binge drinking	20.2%
No physical activity	15.4%
Less than 7 hrs sleep	25.7%
Depression	16.4%
Fair or poor health	8.3%
Poor mental health	9.7%
Poor physical health	7.5%
No health insurance	6.4%
Visited doctor (checkup)	79.9%
Visited dentist	80.8%
Cholesterol screening	92.5%
Teeth loss	6.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	980	5.4%

Disability	%
Any disability	8.7%
Under 18	1.4%
18–64 years	4.7%
65 and over	24.3%

Health insurance coverage

Type	%
Private insurance	88.2%
Public insurance	28.0%
No insurance	1.5%
Uninsured under 19	1.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	22,163	95.2%
Spanish	773	3.5%
Other Indo-European	86	0.4%
Asian & Pacific Islander	211	1.0%
Other languages	452	2.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	20,420	87.7%
Born in same state	20,240	86.9%
Born in different state	14,808	63.6%
Foreign born	180	0.8%
Naturalized citizen	2,872	12.3%
Not a US citizen	1,522	53.0%

Ancestry

Ancestry	Count	%
Italian	3,287	14.1%
French	2,046	8.8%
Polish	940	4%
Arab	641	2.8%
English	286	1.2%

Ancestry	Count	%
German	226	1%
Dutch	203	0.9%
Irish	129	0.6%
Norwegian	36	0.2%

Technology access

Metric	% of households
Computer access	41.5%
Internet access	94.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 53045

What city is ZIP code 53045 in?

ZIP code 53045 is primarily assigned to Brookfield, Wisconsin.

What county is ZIP code 53045 in?

ZIP code 53045 falls within Waukesha County, Wisconsin.

How educated is the population of ZIP code 53045?

62% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 53045 have an older population?

25% of residents in ZIP code 53045 are 65 or older, above the national average of ~17%.

Does ZIP code 53045 have a large retiree population?

39% of households in ZIP code 53045 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 53045?

The median home value in ZIP code 53045 is $410,400.

What timezone is ZIP code 53045 in?

ZIP code 53045 observes the CST timezone.